查询词典 drilling hammer

This paper presented some main factors affecting the development of revolving-drilling technique.Finally,the paper presented the problems existed in the aspect of using air hammer for geophysical drilling and the direction of studied d...

阐述了影响冲击旋转钻井技术发展的主要因素，提出了气动冲击器用于物探钻井开发方面存在的问题和研究方向。

By analysis of enforcement of drilling tools of air downhole hammer 's following pipe, the factors affecting the drilling speed and depth of the following pipe are obtained.

通过对空气潜孔锤跟管钻进钻具的受力分析，得到影响潜孔锤跟管钻进速度和跟管深度的因素。

The air DTH hammer drilling technically mainly used for drilling, shotting drills and wells in the past.

风动潜孔锤钻进技术过去主要用于钻凿爆破孔、基岩水井等。

It also analyzes the reasonable method to determine such drilling parameters as drill pressure,rotation speed,gas injection pressure,gas injection volume in view of the character of air hammer drilling in detail,elabora.

分析了我国煤层气勘探开发现状，基于煤层气生产特征分析了煤层气开发向产业化、商业化发展降低钻井成本的主要技术方法。

In order to implement simultaneous casing while drilling of larger diameter pile holes and water wells in complex strata, a new type of bit for simultaneous casing while reverse circulation drilling with DTH air hammer was developed.

为实现在复杂地层用同步跟管钻进工艺钻凿直径较大的桩孔和水井，设计了一种气动潜孔锤反循环跟管钻进钻头。

According to the requirement of silde-resistant pile construction,this paper analyses feasibility that pneumatic DTH hammer drilling applies to construct slide-resistant pile on the basis of introducing the features of pneumatic DTH hammer.Then an applied example is given.

文章在介绍风动潜孔锤钻进特点的基础上，根据抗滑桩施工要求，分析了风动潜孔锤用于抗滑桩施工的可行性，并举出了其应用实例。

The shape of cuttings is related with the drilling parameters. The cuttings often appear in irregular flakes during air hammer drilling, and in spindle shape during cone bit drilling.

岩屑的形状与钻井参数有关，空气锤破碎岩石的岩屑形状呈不规则片状，牙轮钻头破碎岩石的岩屑形状呈纺锤形。

The local Directional drilling is just staring in terrane, the equipments and the technologies cant satisfy far and far the spot construction needs, according to current circumstance and considing the existed equipments, the author put forward drilling by air hammer in terrane , having designed compounded-drilling tools,and recommended technology parameters.producing experiments have obtained good achievements in economic and in techniques.

国内定向钻进铺管技术在岩层只是刚刚起步，设备、工艺远远不能满足现场施工需要，本文针对国内、外岩层定向钻进非开挖设备及工艺现状，结合国内大多施工单位的已有设备，提出岩层空气潜孔锤导向钻进工法，设计了适合岩层钻进的实用钻具，并提出具有针对性的工艺参数，生产性试验取得了良好的经济技术指标。

Have a 15-ton electric arc furnace, 15-ton AOD furnace, 3-ton electric-hydraulic hammer, air hammer, common lathe, CNC lathe, large-diameter end face lathe, vertical lathe, drilling and other production equipment more than 100 Units; the existing chemical composition analysis equipment, Portable Direct Reading Spectrometer alloy composition analyzer, SPECTRO desktop direct reading spectrometer, complete sets of metallographic analysis, ultrasonic flaw detector, magnetic particle flaw detector, universal tensile testing machine, impact tester, hardness testing, ultrasonic thickness testing equipment, etc., production fully equipped, perfect testing means, at home with the industry's leading annual production of alloy steel, stainless steel bar and forging material 30,000 tons, 5,000 tons of finished flanges.

拥有15吨电弧炉、15吨AOD炉、3吨电液锤、空气锤、普通车床、数控车床、大口径端面车床、立车、钻床等生产设备100多台；现有化学成份分析设备、便携式直读光谱合金成份分析仪、SPECTRO台式直读光谱仪、成套金相分析、超声波探伤仪、磁粉探伤仪、万能拉力试验机、冲击试验机、硬度试验、超声波测厚仪等检测设备，生产设备齐全，测试手段完善，在国内同行业领先，年生产合金钢、不锈钢棒材及锻材30000吨、成品法兰5000吨。

The foaming DTH hammer is a new technology method and used as a drilling technique to deal with the special nature geography and complicate strata conditions which transforms the working medium of common DTH hammer from the one fluid to two-phase fluid compression foam, and uses the foam as motive medium to work.

泡沫潜孔锤是将普通潜孔锤的工作介质从单一流体变成两相流体的压缩泡沫，并以泡沫作为动力介质驱动潜孔锤工作的新型工艺方法。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷